<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>JavaScript特殊值Infinity</title>
    </head>
    <body>
        <h3>JavaScript特殊值Infinity</h3>
        <hr />
        <script>
            var x1 = 2e9000;
			var x2 = -2e9000;
			var result = x1+x2;
            alert("x1(2e9000)="+x1+"\nx2(-2e9000)="+x2+"\nx1+x2="+result);
        </script>
    </body>
</html>